Maryam Allahyar, Mohsen Rostamy-malkhalifeh. Negative data in data envelopment analysis: Efficiency analysis and estimating returns to scale. Computers & Industrial Engineering, 82:78-81, 2015. [doi]
@article{AllahyarR15,
title = {Negative data in data envelopment analysis: Efficiency analysis and estimating returns to scale},
author = {Maryam Allahyar and Mohsen Rostamy-malkhalifeh},
year = {2015},
doi = {10.1016/j.cie.2015.01.022},
url = {http://dx.doi.org/10.1016/j.cie.2015.01.022},
researchr = {https://researchr.org/publication/AllahyarR15},
cites = {0},
citedby = {0},
journal = {Computers & Industrial Engineering},
volume = {82},
pages = {78-81},
}